#include <iostream>
using namespace std;
auto mmax(auto n,auto m)
{
	//cout << "TYPE is " << typeid(n).name() << endl;
	//auto max = n>m?n:m;
	return n>m?n:m;
}

int main()
{
	float n,m;
	cin >> n >> m;
	auto k = mmax(n,m);
	cout << k;
	return 0;
}
